Home / 2,519.82-3,778.58-1,349.64

Finding the Fourth Proportional to 2,519.82, 3,778.58 and 1,349.64

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Solution

The fourth proportional to 2,519.82, 3,778.58 and 1,349.64 is: 2,023.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.82 : 3,778.58 = 1,349.64 : x
  2. Step 2: Convert to fraction form
    2,519.82/3,778.58 = 1,349.64/x
  3. Step 3: Cross multiply
    2,519.82x = 3,778.58 × 1,349.64
  4. Step 4: Simplify right side
    2,519.82x = 5,099,722.71
  5. Step 5: Solve for x
    x = 5,099,722.71/2,519.82
  6. Step 6: Final answer
    x = 2,023.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.